object glass vs lense

object glass and lense both are nouns.

Word	Noun	Adjective	Verb	Adverb
object glass	Yes	No	No	No
lense	Yes	No	No	No

As nouns, lense is a hypernym of object glass; that is, lense is a word with a broader meaning than object glass:

object glass: the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
lense: a transparent optical device used to converge or diverge transmitted light and to form images

Other hypernyms of object glass include lens, lens system.

object glass (noun)	lense (noun)
the lens or system of lenses in a telescope or microscope that is nearest the object being viewed	a transparent optical device used to converge or diverge transmitted light and to form images